<!DOCTYPE html>
<html lang = "zh-CN">
<head>
    <meta charset ="UTF-8">
    <title>HTML5</title>
</head>
<body>
    <header>
        <h1>I am header</h1>
        <p>header content</p>
    </header>
    <footer>
        <p>Posted by: 移动开发实战</p>
        <p>Contact information: <a href="mailto:someone@example.com">someone@example.com</a>R/p>
    </footer>
</body>

</html>
<style type = "text/css">
    footer{
        position:absolute;
        bottom:0;
        width:100%;
        height:100px;
        background-color:#ffc0cb;

    }
</style>